<template>
  <div class="login-container">
    <div class="main">
      <a-form :form="form" class="user-layout-login" ref="formLogin" id="formLogin">
        <a-tabs :activeKey="customActiveKey" :tabBarStyle="{ textAlign: 'center', borderBottom: 'unset' }" @change="handleTabClick">
          <a-tab-pane key="tab1" tab="账号密码登录">
            <a-form-item>
              <a-input size="large" v-decorator="['username', validatorRules.username, { validator: this.handleUsernameOrEmail }]" type="text" placeholder="请输入帐户名">
                <a-icon slot="prefix" type="user" :style="{ color: 'rgba(0,0,0,.25)' }" />
              </a-input>
            </a-form-item>

            <a-form-item>
              <a-input-password v-decorator="['password', validatorRules.password]" size="large" type="password" autocomplete="false" placeholder="密码">
                <a-icon slot="prefix" type="lock" :style="{ color: 'rgba(0,0,0,.25)' }" />
              </a-input-password>
            </a-form-item>

            <a-row :gutter="0">
              <a-col :span="16">
                <a-form-item>
                  <a-input v-decorator="['inputCode', validatorRules.inputCode]" size="large" type="text" @change="inputCodeChange" placeholder="请输入验证码">
                    <a-icon slot="prefix" type="check-circle" :style="{ color: 'rgba(0,0,0,.25)' }" />
                  </a-input>
                </a-form-item>
              </a-col>
              <a-col :span="8" style="text-align: right">
                <img v-if="requestCodeSuccess" style="margin-top: 2px" :src="randCodeImage" @click="handleChangeCheckCode" />
                <img v-else style="margin-top: 2px" src="../../assets/checkcode.png" @click="handleChangeCheckCode" />
              </a-col>
            </a-row>
          </a-tab-pane>
          <a-tab-pane key="tab2" tab="手机号登录">
            <a-form-item>
              <a-input v-decorator="['phoneNumber', validatorRules.phoneNumber]" size="large" type="text" placeholder="手机号">
                <a-icon slot="prefix" type="mobile" :style="{ color: 'rgba(0,0,0,.25)' }" />
              </a-input>
            </a-form-item>

            <a-row :gutter="16">
              <a-col class="gutter-row" :span="16">
                <a-form-item>
                  <a-input v-decorator="['captcha', validatorRules.captcha]" size="large" type="text" placeholder="请输入验证码">
                    <a-icon slot="prefix" type="mail" :style="{ color: 'rgba(0,0,0,.25)' }" />
                  </a-input>
                </a-form-item>
              </a-col>
              <a-col class="gutter-row" :span="8">
                <a-button class="getCaptcha" tabindex="-1" :disabled="state.smsSendBtn" @click.stop.prevent="getCaptcha" v-text="(!state.smsSendBtn && '获取验证码') || state.time + ' s'"></a-button>
              </a-col>
            </a-row>
          </a-tab-pane>
        </a-tabs>

        <!-- <a-form-item>
          <a-checkbox v-decorator="['rememberMe', { initialValue: true, valuePropName: 'checked' }]">自动登录</a-checkbox>
          <router-link :to="{ name: 'alteration' }" class="forge-password" style="float: right;">
            忘记密码
          </router-link>
          <router-link :to="{ name: 'register' }" class="forge-password" style="float: right;margin-right: 10px">
            注册账户
          </router-link>
        </a-form-item> -->

        <a-form-item style="margin-top: 24px">
          <a-button size="large" type="primary" htmlType="submit" class="login-button" :loading="loginBtn" @click.stop.prevent="handleSubmit" :disabled="loginBtn">确定 </a-button>
        </a-form-item>
      </a-form>
    </div>
  </div>
</template>

<script>
import Vue from "vue";
import { mapState } from "vuex";

import { ACCESS_TOKEN } from "@/store/mutation-types";
import { md5Encode } from "@/utils/md5-util.js";

export default {
  components: {},
  data() {
    return {
      customActiveKey: "tab1",
      loginBtn: false,
      // login type: 0 email, 1 username, 2 telephone
      loginType: 0,
      requiredTwoStepCaptcha: false,
      stepCaptchaVisible: false,
      form: this.$form.createForm(this),
      encryptedString: {
        key: "",
        iv: "",
      },
      state: {
        time: 60,
        smsSendBtn: false,
      },
      validatorRules: {
        username: { rules: [{ required: true, message: "请输入用户名!" }, { validator: this.handleUsernameOrEmail }] },
        password: { rules: [{ required: true, message: "请输入密码!", validator: "click" }] },
        phoneNumber: { rules: [{ validator: this.validatephoneNumber }] },
        captcha: { rule: [{ required: true, message: "请输入验证码!" }] },
        inputCode: { rules: [{ required: true, message: "请输入验证码!" }] },
      },
      verifiedCode: "",
      inputCodeContent: "",
      inputCodeNull: true,
      currentUsername: "",
      currdatetime: "",
      randCodeImage: "",
      requestCodeSuccess: false,
    };
  },
  computed: {
    ...mapState("user", {
      info: (state) => state.info,
      oldSalt: (state) => state.oldSalt,
      salt: (state) => state.salt,
    }),
  },

  created() {
    this.currdatetime = new Date().getTime();
    Vue.ls.remove(ACCESS_TOKEN);

    this.getRouterData();
    this.handleChangeCheckCode();
  },

  mounted() {},

  methods: {
    // handler
    handleUsernameOrEmail(rule, value, callback) {
      const regex = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/;
      if (regex.test(value)) {
        this.loginType = 0;
      } else {
        this.loginType = 1;
      }
      callback();
    },

    handleTabClick(key) {
      this.customActiveKey = key;
      // this.form.resetFields()
    },

    handleSubmit() {
      let that = this;
      let loginParams = {};
      that.loginBtn = true;
      // 使用账户密码登录
      if (that.customActiveKey === "tab1") {
        that.form.validateFields(["username", "password", "inputCode", "rememberMe"], { force: true }, (err, values) => {
          if (!err) {
            const parameters = {
              username: values.username,
            };
            that.$store
              .dispatch("user/getSaltAction", parameters)
              .then(() => {
                that.loginInWithPassword(values);
              })
              .catch((error) => {
                that.handleChangeCheckCode()
                that.$message.error(error.message);
              });
          } else {
            that.handleChangeCheckCode()
            that.loginBtn = false;
          }
        });
        // 使用手机号登录
      } else {
        that.form.validateFields(["phoneNumber", "captcha", "rememberMe"], { force: true }, (err, values) => {
          if (!err) {
            loginParams.phoneNumber = values.phoneNumber;
            loginParams.captcha = values.captcha;
            loginParams.remember_me = values.rememberMe;

            that.$store
              .dispatch("user/phoneLoginAction", loginParams)
              .then((res) => {
                console.log(res.result);
                that.loginSuccess();
                that.$refs.loginSelect.show(res.result);
              })
              .catch((err) => {
                  that.handleChangeCheckCode()
                // that.requestFailed(err);
              });
          }
        });
      }
    },

    loginInWithPassword(values) {
      const that = this;

      let loginParams = {};
      that.loginBtn = true;
      loginParams.username = values.username;
      const md5Password = md5Encode(values.password, that.salt);
      loginParams.password = md5Password;
      loginParams.remember_me = values.rememberMe;

      loginParams.captcha = that.inputCodeContent;
      loginParams.checkKey = that.currdatetime;
      // console.log('登录参数', loginParams)
      that.$store
        .dispatch("user/loginAction", loginParams)
        .then((res) => {
          that.loginBtn = false;
          that.loginSuccess();
          // that.$refs.loginSelect.show(res.result)
        })
        .catch((err) => {
          console.log('\n\n' + 'loginInWithPassword failed' + '\n\n');
          that.loginBtn = false;
          that.handleChangeCheckCode()
          that.$message.error(err.message);
          // that.requestFailed(err)
        });
    },

    getCaptcha(e) {
      e.preventDefault();
      let that = this;
      this.form.validateFields(["phoneNumber"], { force: true }, (err, values) => {
        if (!values.phoneNumber) {
          that.cmsFailed("请输入手机号");
        } else if (!err) {
          this.state.smsSendBtn = true;
          let interval = window.setInterval(() => {
            if (that.state.time-- <= 0) {
              that.state.time = 60;
              that.state.smsSendBtn = false;
              window.clearInterval(interval);
            }
          }, 1000);

          const hide = this.$message.loading("验证码发送中..", 0);
          let smsParams = {};
          smsParams.phoneNumber = values.phoneNumber;
          smsParams.smsMode = "0";
          that.$store
            .dispatch("user/sendCaptchaAction", smsParams)
            .then((res) => {
              if (!res.success) {
                setTimeout(hide, 0);
                this.cmsFailed(res.message);
              }
              console.log(res);
              setTimeout(hide, 500);
            })
            .catch((err) => {

              setTimeout(hide, 1);
              clearInterval(interval);
              that.state.time = 60;
              that.state.smsSendBtn = false;
              // this.requestFailed(err)
            });
        }
      });
    },

    handleChangeCheckCode() {
      this.form.setFieldsValue({ inputCode: "" });
      this.currdatetime = new Date().getTime();

      this.$store
        .dispatch("user/getImageCaptchaAction")
        .then((res) => {
          if (res.success) {
            this.randCodeImage = res.result;
            this.requestCodeSuccess = true;
          } else {
            this.$message.error(res.message);
            this.requestCodeSuccess = false;
          }
        })
        .catch((error) => {
          this.$message.error(error.message);
        });
    },

    loginSuccess() {
      this.$router.push({ path: "/" }).catch(() => {
        console.log("登录跳转首页出错,这个错误从哪里来的");
      });

      // this.$notification.success({
      //   message: '欢迎',
      //   description: `${timeFix()}，欢迎回来`
      // })

      this.loginBtn = false;
    },

    cmsFailed(err) {
      this.$notification["error"]({
        message: "登录失败",
        description: err,
        duration: 4,
      });
    },

    requestFailed(err) {
      this.handleChangeCheckCode();
      let errMsg = ((err.response || {}).data || {}).message || err.message || "请求出现错误，请稍后再试";
      this.$notification["error"]({
        message: "登录失败",
        description: errMsg,
        duration: 4,
      });
      // 密码错误后更新验证码
      if (errMsg.indexOf("密码错误") > 0) {
        this.handleChangeCheckCode();
      }
      this.loginBtn = false;
    },

    validatephoneNumber(rule, value, callback) {
      if (!value || new RegExp(/^1([38][0-9]|4[579]|5[0-3,5-9]|6[6]|7[0135678]|9[89])\d{8}$/).test(value)) {
        callback();
      } else {
        callback("您的手机号码格式不正确!");
      }
    },
    validateInputCode(rule, value, callback) {
      if (!value || this.verifiedCode == this.inputCodeContent) {
        callback();
      } else {
        callback("您输入的验证码不正确!");
      }
    },
    generateCode(value) {
      this.verifiedCode = value.toLowerCase();
    },
    inputCodeChange(e) {
      this.inputCodeContent = e.target.value;
    },
    loginSelectOk() {
      this.loginSuccess();
    },
    getRouterData() {
      this.$nextTick(() => {
        if (this.$route.params.username) {
          this.form.setFieldsValue({
            username: this.$route.params.username,
          });
        }
      });
    },
  },
};
</script>

<style lang="less" scoped>
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}
.main {
  min-width: 260px;
  width: 368px;
  margin: 0 auto;
}
.user-layout-login {
  label {
    font-size: 14px;
  }

  .getCaptcha {
    display: block;
    width: 100%;
    height: 40px;
  }

  .forge-password {
    font-size: 14px;
  }

  button.login-button {
    padding: 0 15px;
    font-size: 16px;
    height: 40px;
    width: 100%;
  }

  .user-login-other {
    text-align: left;
    margin-top: 24px;
    line-height: 22px;

    .item-icon {
      font-size: 24px;
      color: rgba(0, 0, 0, 0.2);
      margin-left: 16px;
      vertical-align: middle;
      cursor: pointer;
      transition: color 0.3s;

      &:hover {
        color: #1890ff;
      }
    }

    .register {
      float: right;
    }
  }
}
</style>
<style>
.valid-error .ant-select-selection__placeholder {
  color: #f5222d;
}
</style>
